Paper handling machine



Jan. 8, 1935.

J. C. DAWSON El AL PAPER HANDLING MACHINE Filed April 4, 1950 6 Sheets-Sheet 1 INVENTORS.

JOSEPH Con/v Dawson.

Jomv CHJIRLES WILLIAMS ATTORN EY Jan. 8, 1935. J. c. DAWSON ET A; 1,987,327

PAPER HANDLING MACHINE Filed April 4, 1930' 6 Sheets-Sheet 2 INVENTOR JOSEPH Com/v DnwsoN JOHN CHflRL-E-S WILLIAN D I Q Jan. 8, 1935. J. c. DAWSON Er'AL PAPER HANDLING MACHINE s Sheets-Shet Filed April 4, 1950 8 9 3 7 2 w? Y J INVENTORS u M Aw A D /T NM o v M Hc N WW 3 Jan. 8, 1935. 1 c DAWSQN ET L 1,987,327

PAPER HANDLING MACHINE Filed April 4, 1950 e Sheets-Sheet 4 10 JP 1e NVENTORS, Jo: EPH Co/wv DA wso/v.

JoH/v CHARLES W/M/AMJ:

w yum W ATTORNEYS 1935- J. c. DAWSON ET AL PAPER HANDLING MACHINE Filed April 4, 1950 6 Sheets-Sheet INVENTORS JosEPl-I Couu Dawsaw. Jomv cnmuzs WILLIAMS.

KW H40Ls-mv7fon1'.

L r 1. 6 1 9- I 7 m 1% Q (0 F u 6 0 I a m w F///////////T/L//4 m U l 3 5 w n 3 n. H, 5 e M 4 4 8 5 ATTORNEY.

Jan. 8, 1935. c DAWSON ET AL 1,987,327

PAPER HANDLING MACHINE Filed April 4. 1930 6 Sheets-Sheet 6 34- 51. 36 JOSEPH C BAWSON.

eTo HN CHARLES WILLIAMS 9 ATTORNEYS.

IN vyvran;

Patented Jan. 8, 1935 UNITED STATES PATENT caries 1,987,327 PAPER HANDLING MACHINE corporation of Ohio Application April 4, 1930-, Serial No. 141,6 13 1 In Great Britain April 6, 1929 45 Claims.

5 make cross feed tables removable, in order that a sheet stacker may be inserted in place thereof. By this means it is possible to bring a stacker into such position that it is adapted to receive and handle the sheets immediately following the last operation performed upon them, in other words toeliminate travel of thesheets through such portions of the machine as are not in actual-operation at the time.

The removal of a feed table and the substitution of a stacker therefor calls for a complete separate stacker structure at a considerable extra expense. Furthermore, the substitution of one part for the other also requires some little time, attention and effort each time the change is made, andwhen one or the other of these parts is out of the machine and being handled or stored in the shop, it is more subjectto damage than when mounted in the machine.

One of the objects of the invention therefore is a reduction in cost and a saving intin'ie and eifort by the provision of apparatus permanently mounted in the machine, which shall serve either as a cross feed table or as a stacker.

Another object is the provision of means of this character adapted to permit the quick and easy conversion from feed table to stacker, and vice verso.

A further object of the invention is the provision of a conveyor of this character which-'rnay be operated at slow or stacking speed in-either direction, so that the folded sheets may be stacked toward either side of the machine as may be the most convenient for the particular job in hand.

Such an arrangement in a machine comprising say a buckle fold section followed by two consecutive right angle fold sections of the knife type enables the more specific object to be attained of utilizing the conveyor associated with-the second right angle fold section for the performance of three distinct operations: firstly, as a means for conveying sheets from the second fold section to the third fold section; secondly,.as a means for converting this conveyor by speed reduction into a stacker when the sheets are to be delivered at, say, the left-hand side of the machine; and thirdly, as a means for converting the same conveyor into a stacker when stacking at the other or right hand side of the machine by reversing the direction of movement of the conveyor and reducing its speed. As. a consequence therefore, the

invention includes a simplified arrangement of providing stackers', where the drive is transmitted from a central gear box by the simple use of gears or transmitting the dr'i've to drivel-eat sections of the machine. 5

According to one form of this invention, in which the sheet conveyors are shown as belts or tapes, '2. driving pinion is mount-ed for example an the camshaft usually employed for operating the I linife levers. In mesh with this pinionis a spur 16 wheel arranged on an' auxiliary shaft. This aux iliary shaft is provided at'sonie distance apart with two bevel gear wheels and is adapted to be setto three diiiere'n't positions; one in which one of said bevel gears is emp oyed to drive the tests carried upon the tape actuating shaft at reduced speed to act as a stacker dnvefihg at oneside of the machine, and another in which the other of said gears used to driv'said tape shaft at 5. reduced speed to cease the tapes to act as a 2x6 stacker in the reverse direction delivering on the opposite side of themachine. Iii its sitemediate or neutral position in which neither of the said bevel sen-s; is 111 mesh the tape shaft driven from the preceding tape roll shaft oper ates in a normal way to actuate the tapes as conveyors atnor'mal speed. The change of speed depends on whether the tape shaft when in mesh with either of the two bevel gears is driven from the speed reducing pinion on the auxiliary shaft or whether when in neutral position it driven from the preceding tape roll shaft as will be more clearly understood by referenceto the accompanying drawings which show in a. more or less 3,- diagrammatic manner, by way of example, the form of the invention just referred to embodied in a paper sheet folding, machine of the mixed type.

Figure 1- is a part sectional side elevation of the 40 Sheet folding machine showing the bevel gear wheel's" set to drive the tapes associatedwith the first right angle fold section and hereinafter referred to as the first right angle tapes at a re'duced or stacker speed.

Fig. 2' shows in end elevation the spur and bevel gear wheels in thesa'r'ne seams. Y Fig. 3 isa plan view of the machine showing the first right angle tapes operating as above. r Fig. i is a. section taken on'line IV-IV of Fig. 1 with the gears arranged to drive the tapes asso: ciated with the second knife or right angle fold section, and hereinafter referred to as the second right angle tapes, towards the ,right-handside of the machine at a considerable reduced speed for stacking purposes.

Fig. is a side view of the driving gears shown in Fig. 4.

Fig. 6 is a plan view thereof.

Fig.7 is a view similar to Fig. 4 but showing the gears set to drive the second right angle tapes at stacking speed whilst delivering to the left-hand side of the machine.

Fig. 8 shows the above arrangement of gears in plan.

Fig. 9 is a sectional elevation showing the final delivery belt driven at stacking speed.

Fig. 10 shows the above arrangement in plan view.

Fig. 11 shows in side elevation and to a larger scale the actual bevel driving gears and spur wheels and I Fig. 12 is a plan view thereof.

Referring to Figs. 1 and 3 the numerals 10 and 11 represent the side members of the main frame of the folding machine supported between which is an eight page buckle fold section 12 comprising fold rolls and buckle plates fed from a feed table indicated at 14. Rubber faced feed rolls 13 feed the signature S forward to the first right angle tapes 15. If desired, the shafts upon which the rolls 13 are supported may carry one or more sets of slitters for dividing the folded sheets into two or more parts before they are stacked. Associated with the tapes 15 are knife fold rolls 16 journalled in transverse auxiliary frames 10a and a knife member 17 which together form the first right angle knife fold section of the machine. The tapes 15 are supported by a driving roll 18 carried by a shaft 18' journalled in the side frameslO and 11 and a driven roll 19 similarly carried and journalled in brackets 19' secured to the side frames 10 and 11. A collecting tray 20 is arranged in a suitable position to collect the eight page signatures folded in the buckle fold section 12 when these are delivered by the first right angle tapes 15. I

The second right angle tapes 21 are positioned at a lower level and travel transversely to the tapes 15 over a driving roll 22 carried upon a shaft 22' which is journalled in the auxiliary frames 10a, and over a driven roll 23 carried on a similar shaft which is journalled in brackets 23 secured to the opposite end of the same frames. Associated with the tapes 21 is a pair of knife fold rolls 24 which are journalled in the cross members 11a of the auxiliary'frames 10a and together with a knife member 25 form the second right angle fold section. The rolls 16 of the first right angle fold section are, as shown, associated also with a buckle fold plate 26 which may be used to provide the signatures with an additional fold or a reverse fold at this point if desired.

Suitably arranged on .either side of the machine are collecting trays 27, 27' provided to receive the signatures delivered by the tapes 21 according to whether the latter are set to travel in the left or right-hand direction respectively. Arranged immediately below and centrally with respect to the fold rolls 24 is a stacker delivery belt 28 driven by a roll 29 carried upon a shaft 29 journalled in the cross members 11a of the auxiliary frames 10a and running over a second roll 30 similarly supported by brackets 30' secured to the auxiliary frames 10a. A collecting tray 31 is provided to collect the thirty two page signatures as these are delivered from the belt 28.

' The shaft-18' carrying the tape driving roll 18 (see particularly Figs. 11 and 12) extends some distance beyond its bearings 32 on the side frame 10 and has slidably keyed upon the extremity of this extension a bevel gear wheel 33. A stub shaft 34 carrying keyed thereon a spur wheel 35 and two bevel gear wheels 36, 37, the latter being spaced some distance apart, is slidably journalled at the one end in a bearing 39 mounted in the frame 10 and at the other end in a bearing 40 seated in one 7 arm of a bracket 38 which is rigidly attached to the side frame 10 and extends together with the stub shaft 34, at right angles thereto. The shaft 22 carrying the tape driving roll 22 extends to the bevel gears 36, 37 being journalled in bearings 42, 43 mounted in further supporting members of the bracket 38. A bevel gear wheel 41 is keyed upon this extremity of the shaft 22 and adapted to be engaged by either of the bevel gear wheels 36, 37. A vertical stub shaft 44 upon either end of which are keyed respectively bevel gear wheels 45, 46 is rotatably mounted in bearings 47, 48 carried by supporting arms of a bracket 49 which is also rigidly attached to the side frame 10 and extends at right angles thereto. The stub shaft 44 is positioned to allow'the upper gear wheel to engage with the gear wheel 33 whilst the lower gear wheel 46 engages with another bevel gear wheel 1 50, the latter being appropriately positioned on the shaft 22' (Figs. 1 and 12). The spur wheel 35 which is of comparatively large diameter is driven by a pinion 51 of very much smaller diameter keyed on the cam shaft 52 which carries the cams actuating the knife members 17 and 25 of the right angle fold sections. A spur wheel 53 of equal ratio to the spur wheel 35 and conveniently set to engage or disengage with the latter as required is mounted upon a stub shaft 54 upon which is also mounted on the inner side of the frame 10 a sprocket wheel 55. A similar sprocket wheel 56 (Figs. 1, 3, 10) is mounted on the shaft 29 and the stacker belt 28 is driven by means of a sprocket chain 5'? connecting the sprockets 55 and 56. A further means of driving the first right angle tapes is provided on the opposite side of the machine where a pinion 58 is slidably keyed to the shaft 18' and so arranged as to intermesh, when required, with the train of gears 59 which in turn are driven from the main driving pulley 60 of the machine. Thebevel gear wheels 33, 36, 37, 41, 45, 46 and are all of equal ratio and adapted to intermesh freely in any selected combination.

For any of the purposes above stated the gears are very readily set by manual operation in the following manner. If say the machine is to be usedsolely'for delivering eight page signatures from the buckle fold section 12 without further folding and with a stacking action over the tapes 15 (Figs. 1, 2, and 3) by driving from the spur wheel 35 the driving pinion 58 carried on the shaft 18' is disengaged from the gear train 59 and the gear wheel 33 on the opposite end of the same shaft slid into mesh with the gear wheel 45 on the vertical stub shaft 44. The stub shaft 34 is then moved inwardly to bring the gear wheel 37 into mesh with the gear wheel 41 on the shaft 22 the bevel wheel 50 on which engages the bevel wheel 46 on the vertical shaft 44 and this same movement of the stub shaft 34 disengages the spur wheels 35 and 53 but leaves the spur wheel 35 in engagement with the driving pinion 51 which is more than three times the width of the spur wheel 35. The cam shaft 52 through the pinion 51 and spur wheel 35 then drives the first right angle tapes 15 through the train of bevel gears just described and owing to the low speed ratio of the spur wheel 35 and pinion 51 all) the tapes 15 travel at a very low speed, thusv causing the eight page signatures fed thereto by the feed rolls 13 at normal folding speed to overlap or to be stacked :as they are conveyed to the collecting tray 20.

In order now to utilize the lower orsecond right angle tapes 21 for stacking and delivering purposes after cross-folding in the knife fold section 16, 17 (Figs. 4, 5,6) the gear wheel 33 is disengaged from the gear wheel 45 and the pinion 5'8 brought :into driving engagement withthe train of gears 59 thus driving the first right an- ,gle tapes '15 at normal conveying speed. The ,gear wheels 37, 41, spur wheel and pinion 51 remain in engagement as before whilst the vertical shaft 4 runs idly. It will now be seen that whilst the first right angle tapes 15 conveying the signatures forward to the first right angle knife fold section 1-6, 17 run at normal operating speed, the speed reducing ratio of the spur wheel 35 and pinion 51;causes the second right angle tapes 21 through the train of bevel gears to travel tothe right hand side of the machine at a low speed. Thus, as the knife section 16, 1'7 operates, the signatures folded therein are delivered bymeans for instance of rubber faced feed rolls 62 which may of "course also incorporate slitter knives (not shown) at normal folding speed on to the'tapes 21 where due to the reduced speed of the latter they are caused to be stacked and delivered into the collecting tray 27'. (See Fig. 4).

When it is desired that the signatures should be delivered by these tapes 21 to the opposite side of the machine, to which end if desired the fold rolls l6 and buckle plates 26 (Figs. 4 and 7) may also be adjusted to give the signatures a reverse fold to that shown in Fig. '6 (as described for example in the co-pending application of Joseph Conn Dawson), it is necessary to reverse the direction of travel of the tapes 21 (Figs-'7 and '8). This is simply effected by displacing the stub shaft 34 outwardly thus disengaging the bevel wheel .37 from the bevel wheel 41 and bringing the opposite bevel wheel 36 on the same shaft into engagement with the wheel 41. By thisoper- :ation the spur wheel 35 is drawn across the spur wheel 53 and clear of the latter to the other side thereof but remains iii-engagement with-the driving pinion 51 owing to the greater width of this member. By this means the tapes 21 are driven in the reverse direction 1. e. to the left of the machine at slowsta'cking speed and deliver the signatures into the collecting tray 27 as shown in Fig. 7. If necessary, the tensioning rollers 61, 61 can be positioned to bring the upper surface of the tapes 21 near the fold rolls 16 to compensate for the lack of the rubber faced feed rolls by decreasing the distance. the signature drops whenthe fold section :is set-in this position.

when using the machine at full capacity, i. e. for producing thirty-two page signatures (Figs. 9., 1 0) by the use of all fold sections the gear wheels are set as follows: The pinion 58 is left in engagement with the main driving spur wheels 59 thus driving the first right angle tapes at normal folding speed. The'gear wheel 33 is brought into mesh with the gear wheel 45 and the shaft 3.4-is moved through half its full travel thus placing both bevel gear wheels 36, 37 in the neutral position, whilst the bevel gear wheels 46, 50 remain in engagement. The position of the shaft 34 brings the spur wheel 35 into engagement with the spur wheel 53. Now it will be clearly seen that the first right angle tapes 15 and sec- ;ond right angle tapesZl are driven at normal folding speed from the main drive through the pinion 58 .and train of bevel gears above described. The pinion 51 through the spur-wheels .35, 53, the sprockets 55, '56 and the sprocket chain '57 drives the conveying belt 28at reduced speed enabling the signatures delivered from the knife fold rolls 24 tobe stacked on, the belt 28 by which they are finally delivered into the collecting tray 31. The cam shaft .52 and the cam gearfo'r use in operating the knives of the individual sets are of the well known kind including a likewise well known arrangement whereby the knives canbe readily thrown in and out of cooperative position therewith and these devices do not therefore call for any specific description.

It will be seen that due to the arrangement above described the actual change over of stackers hitherto necessary may be entirely dispensedwith.

Having thus described our invention, we claim;

1,. In a paper handling machine, a conveyor belt, means for operating said belt at high speed whereby it is adapted to feed sheets of paper. in

rapid succession, andmeans for driving said belt at slow speed whereby it is adapted to function as a stacker.

2. In :a paper handling machine, -a conveyor comprising a belt, means associated therewith for interrupting the travel of sheets upon. said conveyor and changing their course through the machine, and means for driving said belt at high speedor low speed selectively, whereby said conveyor may serve as a stacker when said first named means is disabled and said slow speed driving means is employed.

{3.111 a paper handling machine, .a conveyor, means for delivering sheets onto said conveyor, said conveyor comprising a belt running in the direction of delivery of said sheets thereto, means associated with said conveyor for interrupting the travel of sheets thereupon and producing travel of the sheets at .anangle to the direction of movement of said belt, said means being adapted to be disabled, and means for driving said belt selectively at high or low speeds.

4. In combination, a pair of spaced parallel rollers, a conveyor belt running over said rollers, one of said rollers having a shaft, a change speed driving mechanism associated with said shaft, and means adapted to be operatively associated with said driving mechanism for interrupting the travel of sheets upon said conveyor and producing travel of the sheets at an angle to the direction .of movement of said belt.

5. In combination, a pair of spaced parallel rollers, a conveyor belt running over said rollers, one of said rollers having a shaft, a change speed driving mechanism associated with said shaft, means for moving sheets oif said ibelt transversely to the direction of movement of the belt, and mearm for disabling said last named means.

. .6. In combination, a pair of spaced parallel rollers, aconveyo-r belt running oversaid rollers, oneof said rollers having a shaft, high-speed gearing and low speed gearing adapted to impart continuous motion to said shaft, means for selectively bringing either of said gearing-s into driving connection with the shaft, means associatedwith said conveyor belt for interrupting the travel of sheets thereon and continuing their travel in a different direction through the machine, and means for disabling said last named means when the con veyor belt is to be operated at low speed for-sheet stacking purposes.

7.. In :a ,paperbr like .sheet handlingmachine,

tapes for conveying sheets or signatures during aportion of their travel through the machine,

and means for selectively driving said tapes at any one of a plurality of different speeds, whereby said tapes may be employed for stacking as well as for feeding.

8. In a paperor like sheet handling machin tapes for conveying'sheets'or signatures during a portion of their travel through the machine, means for selectively driving said tapes at high speed for sheet feeding purposesor slow speed for stackingpurposes, and removable means for receiving said stacked sheets.

9. In a paper or like sheet handling machine, tapes for conveying sheets or-signatures during a portion of their travel through the machine, means'for driving said tapes'at high speed for sheet feeding purposes, means for interrupting the travel of the sheets upon said tapes and inducing their further travel through the machine, means for disabling said last named means, and means for driving said tapes at low speed for stacking purposes.

10. In a paper or like sheet handling machine, tapes for conveying sheets or signatures during a portion of their travel through the machine, means for selectively driving said tapes at high speed for sheet feeding purposes or at low speed in either direction for stacking the sheets toward either side of the machine.

11. In a machine of the class described, tw endless conveyors arranged transversely with re- "spect to eachother, means for delivering sheets from the first conveyoronto the second conveyor, and means for driving the secondconveyor at low speed in either direction, whereby said second conveyor is adapted to function for stacking sheets toward either side of the machine.

12. In a machine of the class described, two endless conveyors arranged transversely with respect to each other, means for driving said first conveyor at high speed, means for' delivering sheets from said'first conveyor onto said second conveyor, and means for driving said second conveyor selectively at high speed or .lowspeed in either direction, whereby the conveyor is adapted to function as a sheet feeder or as a righthand or left-hand stacker.

13. In a machine of the class described, two endless conveyors arranged transversely with respect to each other, means for driving said first conveyorat low speed for stacking or at high speed for sheet feeding, means for delivering sheets from said first conveyor onto said second conveyor when the first conveyor is operating at high speed, and means for driving said second conveyor at low speed in either direction for stacking sheets toward either side of the machine.

14. In a machine of the class described, two endless conveyors arrangedtransversely with respect to each other, means for driving said first conveyor at low speed for stacking or at high speed for sheet feeding, means for delivering sheets from said-first conveyor onto said second conveyor when the first conveyor is operating at high speed, and means for driving said second conveyor selectively at high speed for sheet feeding purposes or at low speed in eitherdirection for stacking sheets toward either side of the machine.

15. In a machine of the class described, two knife fold sections arranged in series, a tape conveyor associated with each said fold section, mechanism for driving either set of tapes at high or low speed selectively, and means for disabling said fold sections separately, whereby either of said conveyors is adapted to function as a stacker.

16. In a machine-of the class described, two knife foldsections arranged in series, a tape conveyor associated with each said fold section,

mechanism for driving either set of tapes at high or low speed selectively, and said second set in either direction selectively, and means for disabling said fold sections separately, whereby said first conveyor is adapted to'function as a stacker and said second conveyor is adapted to function as a right-hand or left-hand stacker.

17. In a machine of the class described, a folding mechanism, means for feeding sheets at high speed to said mechanism, and means for driving said feeding means at stacker speed,

whereby it is adapted to function as a sheet stacker.

l8. Ina foldingmachine, a plurality of fold sections arranged in series,- means for feeding sheets'at high speed from one of said fold sections to: the next succeeding fold section, and means'for changing the drive of said feeding means to stacker speed for stacking purposes.

19. In a'folding machine, a plurality of fold sectionsarranged in series, means for feeding sheets at high speed from one of said fold sections'to. the next succeeding fold section, means for changing the drive of said feeding means to low speed for stacking purposes, and-means for disabling said last named fold section.

20. In a folding -machine, a fold section, a right angle fold section, conveying means interposed between said fold sections, and means for driving saidconveying means at high speed or stacker speed selectively.

' 21. In a folding machine, a fold section, a right angle fold section, conveying means interposed between said fold sections, means for driving said .conveying means at high speed or low speed selectively, and means for disabling said right angle fold section.

22. In a paper handling machine, a sheet conveyor, means for operating said conveyor at continuously high speed whereby it is adapted to feed sheets of paper in rapidsuccession, and means for driving said conveyor at continuously slow speed whereby it is adapted to function as a stacker.

23. In a machine of the class described, a fold section, a knife folder in series with said first named fold section, a sheet conveyor for transferring sheets from said first named fold section to saidknife folder, and means for changing the drive of said conveyor to low speed for stacking purposes.- I l 24. In a machine of the class described, a fold section, a knife folder in series with said first namedfold'section, a sheet conveyor for transferring sheets from said first named fold section to .said knife folder, means for changing the drive of said conveyor to low speed for stacking purposes, and means for disabling said knife folder. w I

25. In a paper handling machine, a sheet conveyor, means for operating said conveyor at high speed whereby it is adapted to feed sheets of paper in rapid succession, and means for driving said conveyor at slow speed in either direction, whereby it is adapted to stack sheets toward one or the other side of the machine.

r 26. In a paper or other sheet handling machin sheet moving means adapted to operate selectively as a stacker for sheets delivered from one part of the machine oras aconveyor for delivering sheets from said part of the machine to another part thereof, and mechanism for selectively operating the sheet moving means as aforesaid.

27. In a paper or other sheet handling machine, a plurality of members constituting a sheet moving unit adapted to operate selectively as a stacker for sheets delivered from one part of the machine or as a conveyor for delivering sheets from said part of the machine to another part thereof, and gearing for selectively operating the sheet moving unit as aforesaid.

28. In a paper or other sheet handling machine, sheet moving means adapted to be driven selectively as a stacker for sheets delivered from one part of the machine or as conveyor for delivering sheets from said part of the machine to another part thereof, and mechanisms arranged for connection selectively with the sheet moving means and adapted to selectively drive the same as aforesaid.

29. In a folding machine, two folding mechanisms, means adapted tobe driven selectively as a stacker for folded sheets delivered from one folding mechanism or as a conveyor for delivering folded sheets therefrom to the other folding mechanism, and gearing adapted to selectively drive said means as aforesaid.

30. In a folding machine, two folding mechanisms, a plurality of members constituting sheet moving means adapted to be driven selectively as a stacker for folded sheets received from one folding mechanism or as a conveyor for delivering folded sheets therefrom to the other folding mechanism, and devices arranged for connection selectively with said sheet moving means and adapted to selectively drive the same as aforesaid.

31. In a paper or other sheet handling machine, endless sheet moving means adapted to be driven selectively as a stacker for sheets delivered from one part of the machine or as a conveyor for delivering sheets from said part of the machine to another part thereof, and gear mechanism arranged to be interchangeably connected with said endless sheet moving means whereby the same may be selectively driven as aforesaid.

32. In a paper or other sheet handling machine, mechanism for acting on sheets and adapted to be thrown into and out of operation, means adapted to move the sheets toward said mechanism and means adapted to move sheets away from the same, and means for selectively imparting sheet feeding motion or sheet stacking motion to each of said sheet moving means.

33. In a paper or other sheet handling ma chine, mechanisms for acting on sheets and each adapted to be thrown into and out of operation, sheet handling means one for each of the aforesaid mechanisms, one sheet handling means being arranged to receive sheets from one of said mechanisms and each of said sheet handling means having mechanism for selectively imparting sheet feeding motion or sheet stacking motion thereto.

34. In a paper or other sheet handling machine, two mechanisms for acting on sheets and each adapted to be thrown into and out of operation, two conveyors for said mechanisms, the second one being arranged to receive sheets from the first after they are acted upon by one of said mechanisms, and means for selectively imparting sheet feeding motion or sheet stacking motion to each of said conveyors.

35. In a paper or other sheet handling machine, a series of mechanisms for acting on sheets and each adapted to be thrown into and out of operation, a plurality of sheet handling means each adapted to receive sheets from one of said mechanisms and move the sheets toward another of said mechanisms, and means for selectively imparting sheet feeding motion or sheet stacking motion to each of said sheet handling means.

36. In a paperor other sheet handling machine, a plurality of sheet handling means successively extending in transverse relation with respect to each other along the path of travel of the sheets through the machine, and means for selectively imparting sheet feeding motion or sheet stacking motion to each of said sheethandling means.

37. In a paper or other sheet handling machine, a plurality of sheet handling means successively extending in transverse relation with respect to each other along the path of travel of the sheets through the machine, and means for selectively driving each of said sheet handling means at high speed or low speed for sheet feeding or sheet stacking purposes respectively.

38. In a sheet handling machine, sheet handling means, and means for selectively imparting sheet feeding motion or sheet stacking motion to said means as desired.

39. In a sheet handling machine, sheet handling means, and means for selectively imparting sheet feeding motion or sheet stacking motion to said means in one direction or another as desired.

40. In a paper or other sheet handling machine, a conveyor, and driving mechanism for said conveyor adapted to selectively impart sheet feeding motion or sheet stacking motion thereto.

41. In a paper or other sheet handling machine, endless sheet moving means, and driving mechanism for said means adapted to selectively impart sheet feeding motion or sheet stacking motion thereto.

42. In a paper or other sheet handling machine, endless sheet moving means, and driving mechanism for the endless sheet moving means adapted to selectively impart sheet feeding motion or sheet stacking motion thereto in one direction or another as desired.

43. In a paper or other sheet handling machine, sheet moving means, and driving mechanism for the sheet moving means and including parts shiftable to operative and inoperative positions and adapted to selectively impart sheet feeding motion or sheet stacking motion to said sheet moving means.

44. In a paper or other sheet handling machine, a plurality of members constitutinga sheet moving unit, and driving mechanism for said unit adapted to selectively impart sheet feeding motion or sheet stacking motion thereto.

45. In a paper or other sheet handling machine, a plurality of endless belts or the like arranged in substantially parallel relation, and driving mechanism for said belts adapted to selectively impart sheet feeding motion or sheet stacking motion thereto.

JOSEPH CONN DAWSON. JOHN CHAS. WILLIAMS. 

